Introduce your child to different angles starting with an obtuse angle and see him find the obtuse angles in this worksheet.

Have your fourth grader stretch his math knowledge with a geometry worksheet. He'll calculate the perimeter of a rectangle, then draw two similar shapes.

Use your geometry skills to find the perimeters in this worksheet. This perimeter worksheet gets your child to calculate the perimeters of rectangles.

Fourth grade mathematicians will need to use their geometry skills to figure out the length of the pictured rectangles' perimeters, then make their own.

Your fourth grader will need to use his geometry skills to calculate and create rectangle perimeters. He'll also improve addition and multiplication skills.

In this worksheet, your second-grader will circle all the symmetrical objects. After finishing, she'll feel much more comfortable with the concept of symmetry.

Fourth graders will calculate the perimeter of rectangles, then draw new shapes with similar perimeters. Help your child practice geometry with this worksheet.